Sub-Categories. 1  Anemometers (vane and hot-wire) Anemometers are used to measure airflow and volume at registers and in ducts. Vane anemometers measure airflow independent of the air density making them ideal for many applications where measurement without the need for corrections is desired.
1 1:99 diluted household bleach (mixing 10ml of bleach with 1litre of water) can be used for general household cleaning. 2  1:49 diluted household bleach (mixing 10ml of bleach with 0.5litre of water) is used to disinfect surfaces or articles contaminated with vomitus, excreta, secretions or blood.leach containing 5.25% sodium hypochlorite should be diluted as follows (demonstration short): 1:99 diluted household bleach (mixing 10ml of bleach with 1litre of water) can be used for general household cleaning.
Once stains are removed, thoroughly rinse the garments and dry immediately. Bleach can also remove mildew stains, but be mindful to use it with caution -- if handled carelessly, bleach's harsh chemicals can ruin clothing. For washable fabrics, first rub a small amount of powdered detergent on mildew stains. If tags allow, wash clothing in hot water and add one half cup of chlorine bleach. When clothing labels don't permit the use of bleach and hot water, soak garments in a quarter cup of oxygen bleach -- labeled perborate or all-fabric -- in one gallon of warm water. Mildew stains should be gone after half an hour or so.